Method and apparatus for loading and unloading palletized loads
US4736975A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1986 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Dec 31, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sling for loading and unloading several palletized loads simultaneously comprises two pairs of spreader bars each having a plurality of teeth extending perpendicularly with respect to an elongate dimension of the respective spreader bar. The spreader bars are suspended by pairs of cables from a rectangular frame in turn supported by a plurality of support cables. The spreader bars are carried by the suspension cables so that the teeth project upwardly and inwardly from the respective spreader bar towards the associated bar of the respective pair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.